575921 has 2 divisors, whose sum is σ = 575922. Its totient is φ = 575920.

The previous prime is 575903. The next prime is 575923. The reversal of 575921 is 129575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541696 + 34225 = 736^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 575921 - 2⁶ = 575857 is a prime.

Together with 575923, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 575921.

It is not a weakly prime, because it can be changed into another prime (575923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287960 + 287961.

It is an arithmetic number, because the mean of its divisors is an integer number (287961).

2⁵⁷⁵⁹²¹ is an apocalyptic number.

It is an amenable number.

575921 is a deficient number, since it is larger than the sum of its proper divisors (1).

575921 is an equidigital number, since it uses as much as digits as its factorization.

575921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 29.

The square root of 575921 is about 758.8945908359. The cubic root of 575921 is about 83.1995488912.

The spelling of 575921 in words is "five hundred seventy-five thousand, nine hundred twenty-one".